Apple Patches Everything https://isc.sans.edu/diary/Apple%20Patches%20Everything/32976 End-to-End Encrypted RCS Messages https://www.apple.com/newsroom/2026/05/end-to-end-encrypted-rcs-messaging-begins-rolling-out-today-in-beta/ Why we use CAPTCHAs https://isc.sans.edu/diary/Why%20we%20use%20CAPTCHAs/32974 Checkmarx Jenkins AST plugin compromise https://checkmarx.com/blog/ongoing-security-updates/
Another Universal Linux Local Privilege Escalation (LPE) Vulnerability: Dirty Frag https://isc.sans.edu/diary/Another%20Universal%20Linux%20Local%20Privilege%20Escalation%20%28LPE%29%20Vulnerability%3A%20Dirty%20Frag/32968 PAM Backdoors Steel Passwords https://flare.io/learn/resources/blog/pamdoora-new-linux-pam-based-backdoor-sale-dark-web CPanel Updates https://support.cpanel.net/hc/en-us/sections/360007088193-Security Let s Encrypt Briefly Halts Certificate Issuance https://letsencrypt.status.io
An Adaptive Cyber Analytics UI for Web Honeypot Logs https://isc.sans.edu/diary/An%20Adaptive%20Cyber%20Analytics%20UI%20for%20Web%20Honeypot%20Logs%20%5BGuest%20Diary%5D/32962 Ivanti May Patchday https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs Redis Security advisory: [CVE 2026 23479] [CVE 2026 25243] [CVE-2026-25588] [CVE 2026 25589] [CVE-2026-23631] https://redis.io/blog/security-advisory-cve202623479-cve202625243-cve-2026-25588-cve202625589-cve-2026-23631/ @sans_edu research paper: Marcio Enriquez [link will be added once the paper has been published]
Technical issue with .de domains https://blog.denic.de/en/technical-issue-with-de-domains-resolved/ CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID Authentication Portal https://security.paloaltonetworks.com/CVE-2026-0300 Android Security Bulletin May 2026 CVE-2026-0073 https://source.android.com/docs/security/bulletin/2026/2026-05-01